Nippon Shokubai Co., Ltd.TSE: 4114

Notice Regarding Purchase of Treasury Stock (Purchase of Treasury Stock under the provisions of the Articles of Incorporation pursuant to Article 165, Paragraph 2, of the Companies Act)

· Issued by Nippon Shokubai Co., Ltd.

This Notice is a translation of the original; "Jikokabushikisyutoku ni Kakaru Jikoh no Kettei ni Kansuru Oshirase" written in Japanese, for convenience purpose only, and in the event of any discrepancy, the original in Japanese shall prevail.



July 30, 2025

For Immediate Release

Company:

NIPPON SHOKUBAI CO., LTD.

Representative:

Kazuhiro Noda, Representative Director, President

(Code number: 4114, Prime Market,

Tokyo Stock Exchange)

Contacts:

Hiroaki Sakai, General Manager of Legal Dept.

(Tel: +81-6-6223-9111)

Notice Regarding Purchase of Treasury Stock (Purchase of Treasury Stock under the provisions of the Articles of Incorporation pursuant to Article 165, Paragraph 2, of the Companies Act)

NIPPON SHOKUBAI CO., LTD. (the "Company") hereby announces that it has resolved, at the Board of Directors held today to purchase treasury stock pursuant to the provisions of Article 156 of the Companies Act, as applied by replacing the relevant terms pursuant to the provisions of Article 165, paragraph 3 of the same Act.

  1. Reasons for Purchase of Treasury Stock

    In order to improve the shareholder return as well as capital efficiency and to implement flexible capital policy in response to change in the business environment.

  2. Details of matters relating to the purchase

(1)

Class of shares to be purchased

Common stock of the Company

(2)

Total number of shares to be purchased

Up to 5,000,000 shares

(3.3 % of total number of issued shares (excluding treasury stock))

(3)

Total amount of purchase costs

Up to 7 billion yen

(4)

Purchase period

From August 8, 2025 to February 27, 2026

(5)

Purchase method

Market purchases through the Tokyo Stock Exchange (Discretionary trade by a securities company)

(Reference) Holding status of treasury stock as of June 30, 2025

Total number of issued shares (excluding treasury stock)

151,691,868

shares

Number of treasury stock

4,308,132

shares

(Note) The number of shares of treasury stock above does not include 176,500 shares held by the share delivery trust related to Performance-linked Stock Compensation Plan for the Company's Director of the Board and Company's Executive Officers.

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